{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T07:48:24Z","timestamp":1792050504851,"version":"4.4.0"},"reference-count":22,"publisher":"Cambridge University Press (CUP)","issue":"1","license":[{"start":{"date-parts":[[2002,1,11]],"date-time":"2002-01-11T00:00:00Z","timestamp":1010707200000},"content-version":"unspecified","delay-in-days":10,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Int Neuropsychol Soc"],"published-print":{"date-parts":[[2002,1]]},"abstract":"<jats:p>\n                    Essential tremor (ET) is the most common type of movement \ndisorder, although its etiology and neurophysiological substrates \nremain unclear. While thought to be a benign condition, it has \nyet to be studied from a neuropsychological perspective. We \nexamined the neurocognitive functioning of 13 nondemented subjects \nwith severe ET, including aspects of memory, cognitive flexibility, \nand attention. Results revealed that 12\/13 subjects \ndemonstrated impairment on 1 or more cognitive measures in \ncomparison with published normative data. The pattern of findings \nwas suggestive of relative dysfunction of frontal-mediated \nprocesses not unlike that seen in Parkinson's disease. \nThese deficits were found in subjects irrespective of the presence \nof cognitive complaints, depression, or the existence of other \npotential neurocognitive risk factors. These findings suggest \nthat mild cognitive deficits are not uncommon in association \nwith severe ET and may be related to subcortical systems. \n(\n                    <jats:italic>JINS<\/jats:italic>\n                    , 2002,\n                    <jats:italic>8<\/jats:italic>\n                    , 125\u2013129.)\n                  <\/jats:p>","DOI":"10.1017\/s1355617701020124","type":"journal-article","created":{"date-parts":[[2019,4,9]],"date-time":"2019-04-09T18:08:30Z","timestamp":1554833310000},"page":"125-129","source":"Crossref","is-referenced-by-count":149,"title":["Cognitive functioning in individuals with \u201cbenign\u201d \nessential tremor"],"prefix":"10.1017","volume":"8","author":[{"given":"LAURA H.","family":"LACRITZ","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"RICHARD DEWEY","family":"JR.","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"COLE","family":"GILLER,","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C. MUNRO","family":"CULLUM","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"56","published-online":{"date-parts":[[2002,1,11]]},"reference":[{"key":"S1355617702811122_ref015","doi-asserted-by":"crossref","unstructured":"Regard, M. (1981). The left frontal lobe of man and the suppression of habitual responses in verbal categorical behavior. Neuropsychologia, 12, 323\u2013330.","DOI":"10.1016\/0028-3932(74)90047-5"},{"key":"S1355617702811122_ref010","unstructured":"Heaton, R.K. , Chelune, G.J. , Talley, J.L. , Kay, G.G. , & Curtiss, G. (1993). Wisconsin Card Sorting Test. Odessa, FL: Psychological Assessment Resources ."},{"key":"S1355617702811122_ref021","unstructured":"Wechsler, D. (1981). Wechsler Adult Intelligence Scale\u2013Revised. New York: The Psychological Corporation."},{"key":"S1355617702811122_ref001","unstructured":"Beck, A.T. , Rush, A.J. , Shaw, B.F. , & Emery, G. (1979). Cognitive therapy of depression. 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California Verbal Learning Test. San Antonio, TX: The Psychological Corporation.","DOI":"10.1037\/t15072-000"},{"key":"S1355617702811122_ref011","unstructured":"Heaton, R.K , Grant, I. , & Matthews, C.G. (1991). Comprehensive Norms for an Expanded Halstead-Reitan Battery. Psychological Assessment Resources, Inc."},{"key":"S1355617702811122_ref013","doi-asserted-by":"crossref","unstructured":"Hubble, J.P. , Busenbark, K.L. , & Koller, W.C. (1989). Essential tremor. Clinical Neuropharmacology, 12, 453\u2013482.","DOI":"10.1097\/00002826-198912000-00001"},{"key":"S1355617702811122_ref004","doi-asserted-by":"crossref","unstructured":"Cummings, J.L. & Benson, D.F. (1984). Subcortical dementia: Review of an emerging concept. Archives of Neurology, 41, 874\u2013879.","DOI":"10.1001\/archneur.1984.04050190080019"},{"key":"S1355617702811122_ref019","unstructured":"Tr\u00f6ster, A.I. (1998). Assessment of movement and demyelinating disorders. In P.J. Snyder & P.D. Nussbaum (Eds.), Clinical neuropsychology: A pocket handbook for assessment (pp. 266\u2013303). Washington, DC: American Psychological Association."},{"key":"S1355617702811122_ref012","doi-asserted-by":"crossref","unstructured":"Hua, S.E. , Lenz, F.A. , Zirh, T.A. , Reich, S.G. , & Dougherty, P.M. (1998). Thalamic neuronal activity correlated with essential tremor. Journal of Neurology, Neurosurgery and Psychiatry, 64, 273\u2013276.","DOI":"10.1136\/jnnp.64.2.273"},{"key":"S1355617702811122_ref016","unstructured":"Ruff, R.M. (1988). Ruff Figural Fluency Test administration manual. San Diego, CA: Neuropsychological Resources."},{"key":"S1355617702811122_ref022","unstructured":"Wechsler, D. (1987). Wechsler Memory Scale\u2013Revised manual. San Antonio, TX: The Psychological Corporation."},{"key":"S1355617702811122_ref008","doi-asserted-by":"crossref","unstructured":"Deuschl, G. , Bain, P. , & Brin, M. (1998). Consensus statement of the Movement Disorder Society on Tremor. 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Profiles of demented and amnesic patients on the California Verbal Learning Test: Implications for the assessment of memory disorders. Psychological Assessment, 3, 19\u201326.","DOI":"10.1037\/1040-3590.3.1.19"},{"key":"S1355617702811122_ref005","doi-asserted-by":"crossref","unstructured":"Daum, I. & Ackermann, H. (1997). Neuropsychological abnormalities in cerebellar syndromes\u2014fact or fiction? 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